EP2904254B8 - Getriebefan mit hoher verdichterausgangstemperatur - Google Patents

Getriebefan mit hoher verdichterausgangstemperatur Download PDF

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Publication number
EP2904254B8
EP2904254B8 EP13843958.3A EP13843958A EP2904254B8 EP 2904254 B8 EP2904254 B8 EP 2904254B8 EP 13843958 A EP13843958 A EP 13843958A EP 2904254 B8 EP2904254 B8 EP 2904254B8
Authority
EP
European Patent Office
Prior art keywords
turbofan engine
exit temperature
compressor exit
high compressor
geared turbofan
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP13843958.3A
Other languages
English (en)
French (fr)
Other versions
EP2904254A1 (de
EP2904254A4 (de
EP2904254B1 (de
Inventor
Frederick M. Schwarz
Karl L. Hasel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
RTX Corp
Original Assignee
Raytheon Technologies Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50435305&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2904254(B8) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Raytheon Technologies Corp filed Critical Raytheon Technologies Corp
Priority to EP20192702.7A priority Critical patent/EP3770415A1/de
Publication of EP2904254A1 publication Critical patent/EP2904254A1/de
Publication of EP2904254A4 publication Critical patent/EP2904254A4/de
Application granted granted Critical
Publication of EP2904254B1 publication Critical patent/EP2904254B1/de
Publication of EP2904254B8 publication Critical patent/EP2904254B8/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/04—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor
    • F02C3/13—Gas-turbine plants characterised by the use of combustion products as the working fluid having a turbine driving a compressor having variable working fluid interconnections between turbines or compressors or stages of different rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/06—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with front fan
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/34—Rotor-blade aggregates of unitary construction, e.g. formed of sheet laminae
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/32—Application in turbines in gas turbines
    • F05D2220/327—Application in turbines in gas turbines to drive shrouded, high solidity propeller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/36—Application in turbines specially adapted for the fan of turbofan engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/403—Transmission of power through the shape of the drive components
    • F05D2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05D2260/40311—Transmission of power through the shape of the drive components as in toothed gearing of the epicyclical, planetary or differential type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
EP13843958.3A 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur Active EP2904254B8 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20192702.7A EP3770415A1 (de) 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261708692P 2012-10-02 2012-10-02
PCT/US2013/030407 WO2014055114A1 (en) 2012-10-02 2013-03-12 Geared turbofan engine with high compressor exit temperature

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP20192702.7A Division-Into EP3770415A1 (de) 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur
EP20192702.7A Division EP3770415A1 (de) 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur

Publications (4)

Publication Number Publication Date
EP2904254A1 EP2904254A1 (de) 2015-08-12
EP2904254A4 EP2904254A4 (de) 2016-06-29
EP2904254B1 EP2904254B1 (de) 2020-08-26
EP2904254B8 true EP2904254B8 (de) 2020-11-04

Family

ID=50435305

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20192702.7A Pending EP3770415A1 (de) 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur
EP13843958.3A Active EP2904254B8 (de) 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20192702.7A Pending EP3770415A1 (de) 2012-10-02 2013-03-12 Getriebefan mit hoher verdichterausgangstemperatur

Country Status (3)

Country Link
US (1) US20140260326A1 (de)
EP (2) EP3770415A1 (de)
WO (1) WO2014055114A1 (de)

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US10036316B2 (en) * 2012-10-02 2018-07-31 United Technologies Corporation Geared turbofan engine with high compressor exit temperature
US9869190B2 (en) 2014-05-30 2018-01-16 General Electric Company Variable-pitch rotor with remote counterweights
US10060282B2 (en) * 2014-06-10 2018-08-28 United Technologies Corporation Geared turbofan with integrally bladed rotor
EP3012411A1 (de) 2014-10-23 2016-04-27 United Technologies Corporation Integral beschaufelter rotor mit axialem arm und tasche
US10072510B2 (en) 2014-11-21 2018-09-11 General Electric Company Variable pitch fan for gas turbine engine and method of assembling the same
EP3043033A1 (de) * 2015-01-08 2016-07-13 United Technologies Corporation Gasturbinenmotor mit erhöhter kraftstoffeffizienz
US20160237907A1 (en) * 2015-02-12 2016-08-18 United Technologies Corporation Intercooled cooling air with auxiliary compressor control
US20170082028A1 (en) * 2015-02-12 2017-03-23 United Technologies Corporation Intercooled cooling air using existing heat exchanger
US20160237905A1 (en) * 2015-02-12 2016-08-18 United Technologies Corporation Intercooled cooling air
US11808210B2 (en) 2015-02-12 2023-11-07 Rtx Corporation Intercooled cooling air with heat exchanger packaging
US10371055B2 (en) 2015-02-12 2019-08-06 United Technologies Corporation Intercooled cooling air using cooling compressor as starter
US10731560B2 (en) * 2015-02-12 2020-08-04 Raytheon Technologies Corporation Intercooled cooling air
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US10830148B2 (en) 2015-04-24 2020-11-10 Raytheon Technologies Corporation Intercooled cooling air with dual pass heat exchanger
US10480419B2 (en) 2015-04-24 2019-11-19 United Technologies Corporation Intercooled cooling air with plural heat exchangers
US10221862B2 (en) 2015-04-24 2019-03-05 United Technologies Corporation Intercooled cooling air tapped from plural locations
US10100739B2 (en) 2015-05-18 2018-10-16 United Technologies Corporation Cooled cooling air system for a gas turbine engine
US10794288B2 (en) 2015-07-07 2020-10-06 Raytheon Technologies Corporation Cooled cooling air system for a turbofan engine
US10100653B2 (en) 2015-10-08 2018-10-16 General Electric Company Variable pitch fan blade retention system
US10443508B2 (en) 2015-12-14 2019-10-15 United Technologies Corporation Intercooled cooling air with auxiliary compressor control
FR3049008B1 (fr) * 2016-03-15 2018-03-02 Safran Aircraft Engines Turboreacteur comprenant un arbre basse pression supercritique
US10669940B2 (en) 2016-09-19 2020-06-02 Raytheon Technologies Corporation Gas turbine engine with intercooled cooling air and turbine drive
US10550768B2 (en) 2016-11-08 2020-02-04 United Technologies Corporation Intercooled cooled cooling integrated air cycle machine
US10794290B2 (en) 2016-11-08 2020-10-06 Raytheon Technologies Corporation Intercooled cooled cooling integrated air cycle machine
US10961911B2 (en) 2017-01-17 2021-03-30 Raytheon Technologies Corporation Injection cooled cooling air system for a gas turbine engine
US10995673B2 (en) 2017-01-19 2021-05-04 Raytheon Technologies Corporation Gas turbine engine with intercooled cooling air and dual towershaft accessory gearbox
US10577964B2 (en) 2017-03-31 2020-03-03 United Technologies Corporation Cooled cooling air for blade air seal through outer chamber
US10711640B2 (en) 2017-04-11 2020-07-14 Raytheon Technologies Corporation Cooled cooling air to blade outer air seal passing through a static vane
US10738703B2 (en) 2018-03-22 2020-08-11 Raytheon Technologies Corporation Intercooled cooling air with combined features
US10808619B2 (en) 2018-04-19 2020-10-20 Raytheon Technologies Corporation Intercooled cooling air with advanced cooling system
US10830145B2 (en) 2018-04-19 2020-11-10 Raytheon Technologies Corporation Intercooled cooling air fleet management system
US10718233B2 (en) 2018-06-19 2020-07-21 Raytheon Technologies Corporation Intercooled cooling air with low temperature bearing compartment air
US11255268B2 (en) 2018-07-31 2022-02-22 Raytheon Technologies Corporation Intercooled cooling air with selective pressure dump
GB201908972D0 (en) 2019-06-24 2019-08-07 Rolls Royce Plc Compression in a gas turbine engine
GB201908976D0 (en) * 2019-06-24 2019-08-07 Rolls Royce Plc Turbine engine core compression temperatures
GB201908978D0 (en) 2019-06-24 2019-08-07 Rolls Royce Plc Gas turbine engine transfer efficiency
US11674435B2 (en) 2021-06-29 2023-06-13 General Electric Company Levered counterweight feathering system
US11795964B2 (en) 2021-07-16 2023-10-24 General Electric Company Levered counterweight feathering system

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Also Published As

Publication number Publication date
EP2904254A1 (de) 2015-08-12
WO2014055114A1 (en) 2014-04-10
EP2904254A4 (de) 2016-06-29
EP3770415A1 (de) 2021-01-27
US20140260326A1 (en) 2014-09-18
EP2904254B1 (de) 2020-08-26

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